defense secretary leon panetta said today an online attack could cause significant damage and he's urging lawmakers to pass cyber security legislation. no. 3, the fda is given the green light for a new autism trial study. they could use the blood from a child's own umbilical cord to help improve language and behavior in autistic children. even if results are positive, it could be a long time until the procedure is made available. no. 2, more trouble for american airlines, the airline cutting its flight schedule through the first half of november. it's all in response to an ongoing pilot dispute. the airline says pilots are calling in sick and there's very few engineers to handle the maintenance issues. american is cancelling about 31 flights a day and extending its reduced schedule from september and october. and no. 1, no surprise here, d.c. area drivers have the third worst commute in the country. tom-tom is behind the study. d.c. ranks behind los angeles and san francisco for road congestion. that is your fox 5 top five. >>> cold weather settling in tonight. we'll feel it. >> yeah. tem